Kristaps Porzingis has put on serious muscle this summer

Kristaps Porzingis has spent a lot of time in the gym this summer, and the results are noticeable.

The New York Knicks youngster has been posting photos and videos on Instagram all summer, which document his workout progress. He is looking cut and muscular, especially around the biceps and triceps areas. Take a look at some of the photos he posted on Instagram Monday.